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KOYO / Single-row / metric series

KOYO 32306JR

Tapered roller bearings technical reference with manufacturer-sourced dimensions, characteristics and engineering resources.

Technical data available
Bore diameterd
30 mm
Outside diameterD
72 mm
WidthB
27 mm
Dynamic load ratingC
103 kN
Static load ratingC0
91.6 kN
Limiting speednG
5900 r/min

Use this page as a technical reference. Verify the current manufacturer specification and the complete application requirements before selection.

Technical data

Product specifications

Metric and imperial values are paired where the manufacturer provides both. Expand a section to review its parameters.

Core specifications9 parameters
Core specifications
ParameterSymbolValue
Variant / constructionSingle-row / Metric series
Bore diameterd30 mm
Outside diameterD72 mm
WidthB27 mm
Basic dynamic load ratingC103 kN
Basic static load ratingC091.6 kN
Fatigue load limitPu13.8 kN
Limiting speednG5900 r/min
Mass≈m0.588 kg
Manufacturer Identity2 parameters
Manufacturer Identity
ParameterSymbolValue
BrandKOYO
Official Class Key050-010-010
Classification2 parameters
Classification
ParameterSymbolValue
Official Category PathTapered roller bearings - Single-row - Metric series
Official Classification 1Tapered roller bearings / Single-row / Metric series
Technical Data25 parameters
Technical Data
ParameterSymbolValue
d30 mm
D72 mm
T28.75 mm
B27 mm
C23 mm
R(Min.)1.5 mm
R1(Min.)1.5 mm
Basic Load Ratings : Cr103 kN
Basic Load Ratings : C0R91.6 kN
Fatigue Load Limit : Cu13.8 kN
Limiting Speeds(Grease Lub.)5900 min-1
Limiting Speeds(Oil Lub.)7900 min-1
Load Center Spread : A18.9 mm
Constant E0.31
Axial Load Factors : Y11.90
Axial Load Factors : Y01.05
Da(Min.)59 mm
Db(Max.)39 mm
Da(Max.)63.5 mm
Db(Min.)66 mm
Sa(Min.)3 mm
Sb(Min.)5.5 mm
Ra(Max.)1.5 mm
Rb(Max.)1.5 mm
Mass(Refer.)0.588 kg

Technical documents & data sheet

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Record identity
KOYO 32306JR
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